State police told local media outlets Thursday that Amber Simpson told investigators that she grew frustrated with Rachel Wood-Main's fussing before choking the infant in the apartment Simpson shared with her boyfriend in the Jefferson County village of Carthage.

Police say the child was choked early Tuesday morning but authorities weren't called until 15 hours later when Simpson's boyfriend noticed the infant was unresponsive. Authorities say the baby was pronounced dead at a hospital late Tuesday night.

Simpson was arrested Wednesday night and charged with manslaughter. She's being held in jail on $30,000 bail. Information her lawyer wasn't immediately available.

Gen. David Petraeus pleaded guilty to federal charges Tuesday to end a probe into whether he provided classified information to his mistress when he was CIA director, according to a U.S. official briefed on the matter.